Alert archive / Missouri / Tornado Warnings in 2026

Tornado Warning 48, NWS St. Louis, MO

April 27, 2026Franklin County, Jefferson County, Washington County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 27, 2026, 6:31 PM CDT for Franklin County, Jefferson County, Washington County, Missouri. It was in force for 59 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 27, 2026, 6:31 PM CDT (23:31 UTC)
Expired: Apr 27, 2026, 7:30 PM CDT
In force: 59 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.0 in

Counties Franklin County, MO, Jefferson County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 52 km from the middle of the area, began a volume at 23:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Apr 27, 6:35 PM CDT	HAIL 4	8 Ssw Piney Park, MO	Numerous hailstones measuring 2-inches by 4-inches.
Apr 27, 6:45 PM CDT	HAIL 1.75	5 Nw Richwoods, MO	time estimated.
Apr 27, 6:58 PM CDT	HAIL 1	Dittmer, MO	Quarter size hail.
Apr 27, 7:17 PM CDT	TSTM WND GST 60	1 Wsw Arnold, MO	on I-55 near Arnold.
Apr 27, 7:18 PM CDT	TSTM WND GST 60	Arnold, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 27, 12:50 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.5 hours before the alert went out and 274 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1053 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 306 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

877 
WFUS53 KLSX 272331
TORLSX
MOC071-099-221-280030-
/O.NEW.KLSX.TO.W.0048.260427T2331Z-260428T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
631 PM CDT Mon Apr 27 2026

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southeastern Franklin County in east central Missouri...
  Jefferson County in east central Missouri...
  Northern Washington County in east central Missouri...

* Until 730 PM CDT.

* At 631 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 6 miles south of Miramiguoa Park, or 6 miles northeast
  of Anthonies Mill, moving east at 50 mph.

  HAZARD...Tornado and two inch hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without
           shelter. Mobile homes will be damaged or destroyed. Damage
           to roofs, windows and vehicles will occur. Tree damage is
           likely.

* This tornado will be near...
  Miramiguoa Park around 635 PM CDT.
  Richwoods around 645 PM CDT.
  Lonedell around 650 PM CDT.

Other locations impacted by the tornado include Fletcher, Grubville,
Oermann, Morse Mill, Victoria, Mapaville, Hematite, Otto and
Kimmswick.

This includes the following State Parks...
Mastodon Historic Site, Sandy Creek Covered Bridge Historic Site and
Gov. Dunklin's Grave Historic Site.

This includes Interstate 55 in Missouri between exits 170 and 190.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3820 9110 3823 9110 3845 9034 3839 9034
      3832 9037 3824 9036 3819 9033 3817 9029
      3813 9025 3808 9109
TIME...MOT...LOC 2331Z 255DEG 42KT 3816 9104

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN

$$

Jaja

4 follow-up statements

086 
WWUS53 KLSX 272353
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
653 PM CDT Mon Apr 27 2026

MOC221-280003-
/O.CAN.KLSX.TO.W.0048.000000T0000Z-260428T0030Z/
Washington MO-
653 PM CDT Mon Apr 27 2026

...TORNADO WARNING IS CANCELLED FOR NORTHERN WASHINGTON COUNTY IN
EAST CENTRAL MISSOURI...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM CDT for a portion of
east central Missouri.

&&

LAT...LON 3820 9086 3827 9088 3845 9034 3841 9035
      3839 9034 3833 9037 3828 9037 3821 9035
      3819 9033 3817 9029 3816 9074 3820 9078
TIME...MOT...LOC 2331Z 255DEG 42KT 3816 9103

$$


MOC071-099-280030-
/O.CON.KLSX.TO.W.0048.000000T0000Z-260428T0030Z/
Franklin MO-Jefferson MO-
653 PM CDT Mon Apr 27 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHEASTERN FRANKLIN AND CENTRAL JEFFERSON COUNTIES...

At 653 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles south of Dittmer, or 8 miles west of Hillsboro,
moving east at 50 mph.

HAZARD...Tornado and two inch hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

This tornado will be near...
  De Soto, Cedar Hill Lakes, Dittmer and Cedar Hill around 700 PM
  CDT.
  Hillsboro around 705 PM CDT.
  Pevely, Horine, Herculaneum, Crystal City, Festus and Antonia
  around 715 PM CDT.

Other locations impacted by the tornado include Fletcher, Grubville,
Oermann, Morse Mill, Victoria, Mapaville, Hematite, Otto and
Kimmswick.

This includes the following State Parks...
Mastodon Historic Site, Sandy Creek Covered Bridge Historic Site and
Gov. Dunklin's Grave Historic Site.

This includes Interstate 55 in Missouri between exits 174 and 190.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3820 9086 3827 9088 3845 9034 3841 9035
      3839 9034 3833 9037 3828 9037 3821 9035
      3819 9033 3817 9029 3816 9074 3820 9078
TIME...MOT...LOC 2331Z 255DEG 42KT 3816 9103

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN

$$

Jaja

294 
WWUS53 KLSX 272359
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
659 PM CDT Mon Apr 27 2026

MOC071-280009-
/O.CAN.KLSX.TO.W.0048.000000T0000Z-260428T0030Z/
Franklin MO-
659 PM CDT Mon Apr 27 2026

...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN FRANKLIN COUNTY...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM CDT for a portion of
east central Missouri.

&&

LAT...LON 3831 9076 3845 9034 3841 9035 3839 9034
      3833 9037 3828 9037 3821 9035 3819 9033
      3817 9029 3816 9074 3820 9078
TIME...MOT...LOC 2353Z 256DEG 42KT 3822 9072

$$


MOC099-280030-
/O.CON.KLSX.TO.W.0048.000000T0000Z-260428T0030Z/
Jefferson MO-
659 PM CDT Mon Apr 27 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR CENTRAL
JEFFERSON COUNTY...

At 659 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Cedar Hill Lakes, or 6 miles northwest of Hillsboro,
moving east at 50 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

This tornado will be near...
  Cedar Hill Lakes and Dittmer around 700 PM CDT.
  Hillsboro and Cedar Hill around 705 PM CDT.
  Barnhart, Antonia, Pevely, Horine, Festus and Crystal City around
  715 PM CDT.

Other locations impacted by the tornado include Morse Mill, Oermann,
Grubville, Mapaville, Otto and Kimmswick.

This includes the following State Parks...
Mastodon Historic Site, Sandy Creek Covered Bridge Historic Site and
Gov. Dunklin's Grave Historic Site.

This includes Interstate 55 in Missouri between exits 174 and 190.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3831 9076 3845 9034 3841 9035 3839 9034
      3833 9037 3828 9037 3821 9035 3819 9033
      3817 9029 3816 9074 3820 9078
TIME...MOT...LOC 2353Z 248DEG 43KT 3824 9075

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Jaja

713 
WWUS53 KLSX 280013 RRA
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
713 PM CDT Mon Apr 27 2026

MOC099-280030-
/O.CON.KLSX.TO.W.0048.000000T0000Z-260428T0030Z/
Jefferson MO-
713 PM CDT Mon Apr 27 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR CENTRAL
JEFFERSON COUNTY...

At 713 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Antonia, moving east at 50 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

This tornado will be near...
  Barnhart, Antonia, Pevely, Horine, Festus, Crystal City and
  Hillsboro around 715 PM CDT.
  Imperial and Herculaneum around 720 PM CDT.
  Oakville and Arnold around 725 PM CDT.

Other locations impacted by the tornado include Otto, Mapaville and
Kimmswick.

This includes the following State Parks...
Mastodon Historic Site, Sandy Creek Covered Bridge Historic Site and
Gov. Dunklin's Grave Historic Site.

This includes Interstate 55 in Missouri between exits 178 and 190.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3833 9070 3845 9034 3843 9035 3840 9035
      3839 9034 3838 9035 3837 9035 3834 9037
      3828 9037 3824 9036 3821 9056
TIME...MOT...LOC 2359Z 248DEG 43KT 3827 9066

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Jaja

115 
WWUS53 KLSX 280030 RRA
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
730 PM CDT Mon Apr 27 2026

MOC099-280040-
/O.EXP.KLSX.TO.W.0048.000000T0000Z-260428T0030Z/
Jefferson MO-
730 PM CDT Mon Apr 27 2026

...TORNADO WARNING HAS EXPIRED FOR CENTRAL JEFFERSON COUNTY...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

A Tornado Watch remains in effect until 900 PM CDT for a portion of
east central Missouri.

&&

LAT...LON 3833 9070 3845 9034 3843 9035 3840 9035
      3839 9034 3838 9035 3837 9035 3834 9037
      3828 9037 3824 9036 3821 9056
TIME...MOT...LOC 0013Z 248DEG 43KT 3833 9047

$$

Jaja

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS St. Louis, MO wrote its last area forecast discussion before this tornado warning went out at Apr 27, 5:04 PM CDT, 1 hour 27 minutes earlier. Its key messages:

While periods of storms are expected through Monday morning, the most potent thunderstorms will occur this afternoon and evening.
Thunderstorms this afternoon and evening will be capable of damaging wind gusts, large hail, and strong tornadoes.
A period of cool, calm weather is expected mid-week through the weekend.

Area forecast discussion, Apr 27, 5:04 PM CDT, 1 hour 27 minutes before

Area Forecast Discussion
National Weather Service St Louis MO
504 PM CDT Mon Apr 27 2026

.KEY MESSAGES...

- While periods of storms are expected through Monday morning, the most
  potent thunderstorms will occur this afternoon and evening.

- Thunderstorms this afternoon and evening will be capable of
  damaging wind gusts, large hail, and strong tornadoes.

- A period of cool, calm weather is expected mid-week through the
  weekend.

&&

.SHORT TERM /THROUGH TUESDAY NIGHT/...
Issued at 456 PM CDT Mon Apr 27 2026

(Through Tuesday Night)
Issued at 155 AM CDT Mon Apr 27 2026

Storms across southeastern Missouri continue to butt up against an
instability gradient draped from north to south across Missouri.
The warm air advection feeding these storms will also push greater
instability slowly northeastward through this morning, though
propagation vectors will favor convection continuing to move east-
southeastward generally away from the CWA or into an unfavorable
environment. Additionally, the low-level jet refocusing across
Kansas will continue to support the downward trend in convection
across southeastern Missouri early this morning. Any linger storms
over the next couple of hours will be capable mainly of large hail,
though there is also a very low damaging wind and tornado threat for
storms that remain surface based.

Our attention turns to the storms over eastern Kansas that are
propagating eastward with the nose of the low-level jet. With the
nose of this low-level jet edging into northeastern Missouri later
this morning, the focus for these storms will spread into portions
of the CWA north of I-70. Vertical thermal profiles suggest that this
convection will be elevated, mitigating a threat of damaging wind
gusts and/or tornadoes. However, with around 40 kts of effective
shear and building MUCAPE, there is a low chance for isolated
instances of large hail.

How long this convection lingers is uncertain, although guidance
trends have been toward a lull in convective activity in the wake of
this convection and that associated with a cold front during the
late afternoon and evening. Ahead of the front, the warm sector
remains capped through much of the afternoon per a majority of
deterministic soundings. Although, any remnant outflow or
differential heating boundary from early day convection may serve as
enough of a forcing mechanism to spawn discrete convection during
the afternoon as lift from an approaching shortwave increases over
the region. If this convection does form, it will be in an
environment characterized by 2,000-2,500 J/kg of SBCAPE and roughly
50 kts of deep-layer shear. This will favor supercells capable of
all hazards, with long curved hodographs favoring strong tornadoes,
especially if storms are able to latch on to any remnant boundaries
across the CWA.

Where the environment isn't contaminated from earlier rounds of
convection, additional updrafts are expected along the cold front as
it enters the area 4-5pm. Forcing from the front paired with lift
from the shortwave will lead to numerous updrafts along the front.
While this will be occurring within a similar environment detailed
prior, the number of updrafts paired with them occurring along the
front may lead to destructive interactions and congealing into line
segments and/or clusters. While this will tend to limit a strong
tornado threat, storms will still be capable of all severe hazards.
Convection is expected to depart the CWA with the front by 9-10pm.

Even with the FROPA Monday evening, the threat for convection will
continue on Tuesday. Guidance consensus has the front stalling just
south of the CWA early Tuesday and then buckling northward as a
shortwave moves through the Central Plains and into the Midwest
through the day. This shortwave will send a subtle surface
reflection through the Mid South along the front, with a brief
period of warm air advection that will help force elevated
convection for areas mainly along and south of I-70. If the front
can move northward enough, shear profiles and instability amounts
favor supercells capable primarily of large hail across far
southeastern Missouri during the afternoon. Waning instability and
the front continuing southward will bring an end to rain chances
during the evening.

Elmore

&&

.LONG TERM /WEDNESDAY THROUGH MONDAY/...
Issued at 456 PM CDT Mon Apr 27 2026

(Tuesday Night through Sunday)
Issued at 155 AM CDT Mon Apr 27 2026

Both deterministic guidance and ensemble clusters keep upper-level
troughing slowly moving eastward over the eastern CONUS through the
long range forecast period. This will maintain northwesterly flow
over the Middle Mississippi Valley through Saturday as several
rounds of high pressure pass through the region. As a result,
temperatures will run at or below climatological normals into the
weekend and mostly dry weather is expected.

Elmore

&&

.AVIATION /18Z TAFS THROUGH 00Z WEDNESDAY/...
Issued at 456 PM CDT Mon Apr 27 2026

Taking a look across the area, scattered thunderstorms continue
to progress eastwards across central MO this afternoon with an
advancing cold front mainly affecting KUIN, KJEF, and KCOU for
the moment. Expect these developing thunderstorms to move into
the St Louis metro between 5-7 PM this evening promoting mainly
MVFR to IFR cigs and IFR to LIFR vsbys periodically. Otherwise,
southerly to southeasterly winds will become more northwesterly
behind the passing frontal boundary to end the TAF period.

&&

.LSX WATCHES/WARNINGS/ADVISORIES...
MO...Flood Watch until 9 PM CDT this evening for MOZ036-041-042-
     047>052-059>065.
IL...Flood Watch until 9 PM CDT this evening for ILZ058>060-064-065-
     069-070-074-098>102.

&&

SHORT TERM...
LONG TERM...
AVIATION...WFO FSD

Hazardous weather outlook, Apr 27, 2:02 AM CDT, 16 hours 29 minutes before

Hazardous Weather Outlook
National Weather Service St Louis MO
202 AM CDT Mon Apr 27 2026

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-280715-
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO-
Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
202 AM CDT Mon Apr 27 2026

This Hazardous Weather Outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.

.DAY ONE...Today and tonight.

Periods of thunderstorms are expected through the day into this
evening. Thunderstorms this afternoon and evening will be capable of
large hail, damaging wind gusts, and tornadoes.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

There is a chance of thunderstorms Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report wind damage, hail occurrence and
size, and tornado occurrence to NWS St. Louis.

Elmore

In the hours before

Local storm report, Apr 27, 6:20 PM CDT, 11 minutes before

Preliminary Local Storm Report
National Weather Service St Louis MO
620 PM CDT Mon Apr 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0615 PM     Hail             Bourbon                 38.15N 91.25W
04/27/2026  E1.75 Inch       Crawford           MO   Public

&&

Local storm report, Apr 27, 6:23 PM CDT, 8 minutes before

Preliminary Local Storm Report
National Weather Service St Louis MO
623 PM CDT Mon Apr 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0615 PM     Hail             1 SE Sullivan           38.21N 91.16W
04/27/2026  E1.00 Inch       Franklin           MO   Public

            Hail varied from pea-size to quarter-size.

&&

MCF

Local storm report, Apr 27, 6:28 PM CDT, 3 minutes before

Preliminary Local Storm Report
National Weather Service St Louis MO
628 PM CDT Mon Apr 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0623 PM     Hail             Bourbon                 38.15N 91.25W
04/27/2026  M2.00 Inch       Crawford           MO   Public

            2+ inch hail near Bourbon Elementary School.

&&

MCF

Local storm report, Apr 27, 6:29 PM CDT, 2 minutes before

Preliminary Local Storm Report
National Weather Service St Louis MO
629 PM CDT Mon Apr 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0615 PM     Hail             1 SE Sullivan           38.21N 91.16W
04/27/2026  E1.25 Inch       Franklin           MO   Public

            pictures received. time and size estimated.

&&

Local storm report, Apr 27, 6:30 PM CDT, 1 minute before

Preliminary Local Storm Report
National Weather Service St Louis MO
630 PM CDT Mon Apr 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0616 PM     Hail             Bourbon                 38.15N 91.25W
04/27/2026  E3.00 Inch       Crawford           MO   Trained Spotter

&&

Carney

Local storm report, Apr 27, 6:31 PM CDT, 0 minutes before

Preliminary Local Storm Report
National Weather Service St Louis MO
631 PM CDT Mon Apr 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0620 PM     Hail             Warrenton               38.82N 91.14W
04/27/2026  E1.00 Inch       Warren             MO   Emergency Mngr

            time estimated.

&&

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 26, 8:43 PM CDT	Tornado Warning	LSX	Boone, Callaway, Cole, Moniteau	30 min
Apr 26, 10:08 PM CDT	Tornado Warning	LSX	Osage	13 min
Apr 27, 1:06 AM CDT	Severe Thunderstorm Warning	LSX	Crawford	39 min
Apr 27, 2:10 AM CDT	Areal Flood Advisory	LSX	Crawford	3 hr
Apr 27, 2:44 AM CDT	Severe Thunderstorm Warning	LSX	Washington	31 min
Apr 27, 3:08 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Sainte Genevieve, Saint Francois, Washington	52 min
Apr 27, 3:36 AM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois	39 min
Apr 27, 3:41 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade, Warren	49 min
Apr 27, 4:02 AM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve	24 min
Apr 27, 6:52 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Knox, Shelby	38 min
Apr 27, 7:35 AM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Monroe, Shelby	55 min
Apr 27, 7:54 AM CDT	Tornado Warning	LSX	Monroe, Ralls	51 min
Apr 27, 8:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Audrain, Lincoln, Marion, Pike, Ralls	65 min
Apr 27, 8:24 AM CDT	Tornado Warning	LSX	Pike, Ralls	51 min
Apr 27, 10:09 AM CDT	River Flood Warning	LSX	Osage	24 hr
Apr 27, 10:41 AM CDT	Flash Flood Warning	LSX	Boone, Cole, Moniteau	3 hr
Apr 27, 11:18 AM CDT	Flood Watch	LSX	Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 10 more	10 hr
Apr 27, 11:48 AM CDT	Flash Flood Warning	LSX	Audrain, Boone, Callaway, Cole, Moniteau, Montgomery and 1 more	3 hr
Apr 27, 12:09 PM CDT	Areal Flood Advisory	LSX	Lincoln, Pike, Warren	3 hr
Apr 27, 12:27 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis, City of Saint Louis	48 min
Apr 27, 1:25 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Saint Charles, Saint Louis	37 min
Apr 27, 1:51 PM CDT	Areal Flood Advisory	LSX	Montgomery, Warren	3 hr
Apr 27, 1:55 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	45 min
Apr 27, 2:01 PM CDT	Tornado Warning	LSX	City of Saint Louis	27 min
Apr 27, 2:05 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Pike, Warren	40 min
Apr 27, 2:13 PM CDT	Areal Flood Advisory	LSX	Saint Louis, City of Saint Louis	3 hr
Apr 27, 2:39 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles, Warren	51 min
Apr 27, 2:42 PM CDT	River Flood Warning	LSX	Monroe	20 hr
Apr 27, 2:49 PM CDT	Tornado Warning	LSX	Saint Charles, Warren	41 min
Apr 27, 2:54 PM CDT	River Flood Warning	LSX	Jefferson, Saint Louis	6 days
Apr 27, 2:57 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Moniteau	48 min
Apr 27, 3:05 PM CDT	River Flood Warning	LSX	Perry, Sainte Genevieve	8 days
Apr 27, 3:14 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	46 min
Apr 27, 3:19 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis	41 min
Apr 27, 3:25 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Callaway	42 min
Apr 27, 3:37 PM CDT	Flash Flood Warning	LSX	Boone	5 hr
Apr 27, 3:39 PM CDT	River Flood Warning	LSX	Lewis	11 hr
Apr 27, 3:41 PM CDT	River Flood Warning	LSX	Lincoln	24 hr
Apr 27, 3:41 PM CDT	Tornado Warning	LSX	Audrain, Callaway	49 min
Apr 27, 3:43 PM CDT	Severe Thunderstorm Warning	LSX	Boone	62 min
Apr 27, 3:46 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Pike, Ralls	44 min
Apr 27, 3:46 PM CDT	Tornado Warning	LSX	Boone	14 min
Apr 27, 3:53 PM CDT	River Flood Warning	LSX	Lincoln	4 days
Apr 27, 3:59 PM CDT	River Flood Warning	LSX	Crawford, Washington	18 hr
Apr 27, 4:00 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway, Moniteau	60 min
Apr 27, 4:07 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Pike, Ralls	53 min
Apr 27, 4:09 PM CDT	Tornado Warning	LSX	Audrain, Montgomery, Pike, Ralls	51 min
Apr 27, 4:13 PM CDT	Flash Flood Warning	LSX	Audrain	5 hr
Apr 27, 4:29 PM CDT	Tornado Warning	LSX	Boone, Callaway, Cole, Moniteau	46 min
Apr 27, 4:34 PM CDT	Tornado Warning	LSX	Marion	29 min
Apr 27, 4:35 PM CDT	Flash Flood Warning	LSX	Monroe	5 hr
Apr 27, 4:46 PM CDT	Tornado Warning	LSX	Pike	44 min
Apr 27, 4:52 PM CDT	Flash Flood Warning	LSX	Marion, Ralls	4 hr
Apr 27, 4:54 PM CDT	Tornado Warning	LSX	Audrain, Pike	21 min
Apr 27, 4:57 PM CDT	River Flood Warning	LSX	Callaway, Osage	4 days
Apr 27, 4:57 PM CDT	River Flood Warning	LSX	Gasconade, Montgomery	3 days
Apr 27, 4:57 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Pike	63 min
Apr 27, 5:00 PM CDT	Tornado Warning	LSX	Pike	30 min
Apr 27, 5:04 PM CDT	River Flood Warning	LSX	Marion	22 hr
Apr 27, 5:09 PM CDT	Severe Thunderstorm Warning	LSX	Callaway	19 min
Apr 27, 5:14 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Cole, Osage	61 min
Apr 27, 5:20 PM CDT	Flash Flood Warning	LSX	Pike, Ralls	3 hr
Apr 27, 5:21 PM CDT	Severe Thunderstorm Warning	LSX	Pike	39 min
Apr 27, 5:32 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln	43 min
Apr 27, 5:47 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln	58 min
Apr 27, 5:55 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade, Warren	50 min
Apr 27, 5:57 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Washington	48 min
Apr 27, 5:59 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles	46 min
Apr 27, 6:09 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Warren	36 min
Apr 27, 6:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Franklin, Jefferson	64 min
Apr 27, 6:28 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	47 min
Apr 27, 6:40 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson, Saint Charles, Saint Louis	48 min
Apr 27, 6:41 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis	32 min
Apr 27, 6:45 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	45 min

Nearby

Tornado Warnings in Missouri, 2026 Every tornado warning in 2026 Tornadoes in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.